U+10C09 "𐰉" Old Turkic Letter Orkhon Ab Unicode Character

U+10C09 "𐰉" Old Turkic Letter Orkhon Ab is a glyph from the Old Turkic script, specifically representing the consonant sound /b/ and used in the Orkhon variant of that writing system, which was employed by early Turkic peoples in Central Asia and Mongolia between the 8th and 10th centuries CE. This letter appears in monumental inscriptions carved on stone stelae, most famously those found in the Orkhon Valley, which document historical events, royal decrees, and cultural values of the Göktürk Empire. As part of the Unicode Standard, it ensures digital preservation and accessibility for scholars, linguists, and anyone studying the history and writing traditions of ancient Turkic languages.